Rock disk light



FIG. 1 is a top left perspective view of a rock disk light showing our design therefor;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken lines define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for a rock disk light, as shown and described. 